(Chapter 6) Footnote 143:

See book 8 chapter 7 of De usu partium: “These bones lying in front of the meninges, the intricately perforated, porous bones that anatomists call ethmoid, were made to guard against . . . injury. It would be better, however, to call them not ethmoid (like a colander), but spongoid (spongelike), which was Hippocrates’ comparison; for their perforations are intricate like those of a sponge, and are not bored through in straight lines like those in a colander.” (3.652.1-5, tr. May 1968 p. 407, cf. 3.695.14, May 1968 p. 430).